Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807365 | Method for making the shaving head of a dry-shaving apparatus | Leo Bertram, Hugo Schemmann, Romuald L. Bukoschek | 1989-02-28 |
| 4696166 | Ice-cream maker | Romuald L. Bukoschek | 1987-09-29 |